Inventor · disambiguated record
Christian R. Berger
Also filed as: BERGER CHRISTIAN · BERGER CHRISTIAN R · BERGER CHRISTIAN RAIMUND
34 granted patents·3 pending applications·187 citations·filing 2010–2024
97Inventor score
Top patents by PatentIndex Score
37 records- 0196US10476539B1Automatic gain control adjustment in multi-antenna short-range wireless systemMARVELL INT LTD·Filed 2018·Granted Nov 12, 2019·13 cites·21 claims
- 0296US10264544B1Station selection for null data packet (NDP) rangingMARVELL INT LTD·Filed 2018·Granted Apr 16, 2019·14 cites·20 claims
- 0396US10158443B1Methods and apparatus for fine timing measurement with frequency domain processingMARVELL INT LTD·Filed 2017·Granted Dec 18, 2018·13 cites·20 claims
- 0494US10986600B1Timing synchronization for multi-user (MU) ranging measurements in a wireless local area network (WLAN)NXP USA INC·Filed 2019·Granted Apr 20, 2021·15 cites·22 claims
- 0594US10972196B1Trigger frame for rangingNXP USA INC·Filed 2018·Granted Apr 6, 2021·16 cites·24 claims
- 0694US10623121B1Systems and methods for time delay estimationNXP USA INC·Filed 2019·Granted Apr 14, 2020·14 cites·20 claims
- 0793US11166159B1Methods and apparatus for secure fine timing measurement with encoded long training fieldsMARVELL INT LTD·Filed 2018·Granted Nov 2, 2021·12 cites·20 claims
- 0893US10890644B1Angle-of-arrival processing in multi-antenna multi-channel short-range wireless systemMARVELL INT LTD·Filed 2018·Granted Jan 12, 2021·13 cites·22 claims
- 0993US10505653B1Methods and apparatus for fine timing measurement with frequency domain processingMARVELL INT LTD·Filed 2018·Granted Dec 10, 2019·7 cites·20 claims
- 1088US10631187B1Method and apparatus for rangingMARVELL INT LTD·Filed 2017·Granted Apr 21, 2020·6 cites·23 claims
- 1188US10349213B2Method and apparatus for determining an angle of arrival of a wireless signalMARVELL WORLD TRADE LTD·Filed 2017·Granted Jul 9, 2019·5 cites·23 claims
- 1287US10935664B2Null data packet (NDP) announcement frame for NDP rangingNXP USA INC·Filed 2019·Granted Mar 2, 2021·6 cites·14 claims
- 1387US10735163B2Secure ranging measurementMARVELL WORLD TRADE LTD·Filed 2019·Granted Aug 4, 2020·4 cites·28 claims
- 1486US10439695B1Systems and methods for performing implicit sounding in multi-user multiple input multiple output (MU-MIMO) systemsMARVELL INT LTD·Filed 2018·Granted Oct 8, 2019·4 cites·20 claims
- 1586US9094080B1Method and apparatus for estimating statistics in wireless systemsMARVELL INT LTD·Filed 2013·Granted Jul 28, 2015·7 cites·20 claims
- 1685US11452063B2Null data packet (NDP) ranging measurement feedbackMARVELL ASIA PTE LTD·Filed 2020·Granted Sep 20, 2022·1 cites·18 claims
- 1785US10880855B2Null data packet (NDP) ranging measurement feedbackMARVELL WORLD TRADE LTD·Filed 2018·Granted Dec 29, 2020·4 cites·12 claims
- 1884US9277421B1System and method for estimating noise in a wireless signal using order statistics in the time domainMARVELL INT LTD·Filed 2014·Granted Mar 1, 2016·6 cites·20 claims
- 1981US8467269B2Apparatus, systems and methods for enhanced detection, synchronization and online Doppler scale estimation for underwater acoustic communicationsZHOU SHENGLI·Filed 2010·Granted Jun 18, 2013·9 cites·41 claims
- 2080US11140745B2WLAN trigger frame padding for meeting minimum processing time requirement of receiverNXP USA INC·Filed 2019·Granted Oct 5, 2021·3 cites·14 claims
- 2180US9048917B1Method and apparatus for estimating noise covariance in a wireless networkMARVELL INT LTD·Filed 2013·Granted Jun 2, 2015·5 cites·19 claims
- 2278US12041577B2Null data packet (NDP) ranging measurement feedbackMARVELL ASIA PTE LTD·Filed 2022·Granted Jul 16, 2024·0 cites·22 claims
- 2378US11057850B1Transmit power control for null data packetsMARVELL ASIA PTE LTD·Filed 2020·Granted Jul 6, 2021·1 cites·20 claims
- 2477US10656256B2Ranging measurements in wireless communication systemsMARVELL WORLD TRADE LTD·Filed 2018·Granted May 19, 2020·3 cites·15 claims
- 2573US8964911B1Method and apparatus for measuring interference in a communication systemMARVELL INT LTD·Filed 2012·Granted Feb 24, 2015·3 cites·20 claims
- 2668US10142960B2Multi-user ranging with unassociated stationsMARVELL WORLD TRADE LTD·Filed 2017·Granted Nov 27, 2018·1 cites·12 claims
- 2764US11558847B2Multi-user null data packet (NDP) rangingNXP USA INC·Filed 2020·Granted Jan 17, 2023·0 cites·17 claims
- 2864US2025234330A1Wifi rangingNXP USA INC·Filed 2024·Application pending·0 cites
- 2963US11346918B1Adaptive gain control for indoor positioningMARVELL INT LTD·Filed 2019·Granted May 31, 2022·1 cites·14 claims
- 3063US9325395B1Channel processing with dedicated pilots utilizing information from broadcast pilotsMARVELL INT LTD·Filed 2013·Granted Apr 26, 2016·1 cites·13 claims
- 3161US12495400B2Null data packet announcement for sensingNXP USA INC·Filed 2022·Granted Dec 9, 2025·0 cites·16 claims
- 3261US12494956B211AZ sounding LSIG length calculation method and apparatusNXP USA INC·Filed 2022·Granted Dec 9, 2025·0 cites·20 claims
- 3361US2025351047A1System and method for wireless channel change detectionNXP USA INC·Filed 2024·Application pending·0 cites
- 3460US10873379B1Systems and methods for performing implicit sounding in multi-user multiple input multiple output (MU-MIMO) systemsMARVELL ASIA PTE LTD·Filed 2019·Granted Dec 22, 2020·0 cites·22 claims
- 3558US2023370859A1Wlan (wireless local area network) relay deviceNXP USA INC·Filed 2023·Application pending·0 cites
- 3655US10848288B2Multi-user null data packet (NDP) rangingNXP USA INC·Filed 2018·Granted Nov 24, 2020·0 cites·22 claims
- 3748US11032787B2Basic service set (BSS) color in null data packet (NDP) rangingNXP USA INC·Filed 2018·Granted Jun 8, 2021·0 cites·13 claims
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